公共英语四级-7及答案解析.doc

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1、公共英语四级-7 及答案解析(总分：100.00，做题时间：90 分钟)一、BSection Liste(总题数：1，分数：5.00)BPart A/BI For Questions 15, you will hear a passage about Library of Congress. While you listen, fill out the table with the information you have heard. Some of the information has been given to you in the table. Write Bonly 1 word/

2、B in each numbered box. You will hear the recording twice. You now have 25 seconds to read the table below./ILibrary of Congressthe country that the library is located 1.the number of its books 2.the year in which the library is established 3.the country that America has war with 4.the year in which

3、 the library moved to its own building 5.（分数：5.00）(1).（分数：1.00）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_二、BPart B/B(总题数：1，分数：5.00)（分数：5.00）(1).Where is pie-eating contest usually held?（分数：1.00）填空项 1:_(2).What should a person do before entering into the pie-eating contest?（分数：1.00）填空项 1:_(3).Where is perso

4、n advised to put his hands during the contest?（分数：1.00）填空项 1:_(4).Youd better to start at the outside and then work toward_.（分数：1.00）填空项 1:_(5).What will you hear during the contest?（分数：1.00）填空项 1:_三、BPart C/B(总题数：3，分数：10.00)IQuestions 1113 are based on the following monologue about aspirin. You now

5、 have 15 seconds to read Questions 1113./I（分数：3.00）(1).What is the finding of the new study of aspirin?（分数：1.00）A.Reduce life risks after operation of replacing blocked blood vessels to the heart.B.Help people recover quickly after operation.C.Help people sleep better.D.Help people work actively.(2)

6、.In what way can aspirin help heart surgery patients according to the doctors?（分数：1.00）A.Prevent losing blood.B.Help them keep awake.C.Help people move blood.D.Prevent blood from thickening and blood vessels from being blocked.(3).What warning did the doctors give about the use of aspirin?（分数：1.00）A

7、.Dont use it before meal.B.Dont use it after meal.C.Dont use it to the old.D.Dont use it if people have stomach bleeding or other bad reactions from aspirin.IQuestions 1416 are based on the following dialogue. You now have 15 seconds to read Questions 1416./I（分数：3.00）(1).What does the woman say abou

8、t her passport?（分数：1.00）A.Have lost it.B.Have not got it ready.C.Forget which bag its in.D.Dont know how to use it.(2).What do we know about the womans trip?（分数：1.00）A.Its in March.B.Its destination is Rome.C.Its in June.D.Its destination is Greece.(3).Why does the man urge the woman to hurry?（分数：1.

9、00）A.He promise the taxi drive only ten minutes, not twenty.B.The plane will leave soon.C.The road traffic is heavy.D.He will drive slowly.IQuestions 1720 are based on the following monologue about Peter. You now have 20 seconds to read Questions 1720./I（分数：4.00）(1).Why did Peter go to the Union Tru

10、st Bank?（分数：1.00）A.To draw money that he had won in the contest.B.To stem money.C.To borrow money.D.To invest money.(2).What was Peters job?（分数：1.00）A.A banker.B.A runner.C.A mechanic.D.A pickpocket.(3).What did the guards do when Peter stared gathering the money?（分数：1.00）A.Yell out.B.Catch him.C.Ca

11、ll the police.D.Stood back and let him stuff the bills in his shirt and pants.(4).Why didnt Peter take more money from the bank?（分数：1.00）A.He had no more time.B.He had no more pockets.C.He was too tired.D.He thought it was enough.四、BSection Use o(总题数：1，分数：20.00)Some personal characteristics play a v

12、ital role in the development of ones intelligence. But people fail to realize the importance of cultivating these factors in young people.The so-called “non-intelligence factor“ include U(21) /U feelings, will, motivation, interests and habits. After a 30-year follow-up study of 8,000 males, America

13、n psychologists U(22) /U that the main cause of disparities in intelligence is not intelligence U(23) /U , but non-intelligence factors including the desire to learn, will-power and self-confidence.U (24) /U people all know that one should have definite objectives, a strong will and good learning ha

14、bits, quite a number of teachers and parents dont pay much attention to U(25) /U these factors.Some parents are greatly worried U(26) /U their children fail to do well in their studies. They blame either genetic factors, malnutrition, or laziness, but they never take U(27) /U consideration these non

15、-intelligence factors. At the same time, some teachers dont inquire into these, such as reason U(28) /U students do poorly. They simply give them more course and exercises, or U(29) /U rebuke or ridicule them. After all, these students lose self-confidence. Some of them just feel defeated and U(30)

16、/U themselves up as hopeless. Others may go astray because they are sick of learning. U (31) /U investigation of more than 1,000 middle students in Shanghai showed that 46.5 percent of them were U(32) /U of learning because of examination, 36.4 percent lacked persistence, initiative and conscientiou

17、sness and 10.3 percent were sick of learning.It is clear U(33) /U the lack of cultivation of non-intelligence factors has been a main U(34) /U to intelligence development in teenagers. It even causes an imbalance between physiological and U(35) /U development among a few students.If we dont start no

18、w to U(36) /U the cultivation of non-intelligence factors, it will not only obstruct the development of the U(37) /U of teenagers, but also affect the quality of a whole generation. Some experts have put forward U(38) /U about how to cultivate students non-intelligence factors.First, parents and tea

19、chers should U(39) /U understand teenage psychology. On this basic, they can help them to pursue the objectives of learning, U(40) /U their interests and toughening their willpower.（分数：20.00）A.onesB.theirC.hisD.herA.came outB.found outC.figured outD.worked outA.in itselfB.by itselfC.itselfD.on its o

20、wnA.ThoughB.NeverthelessC.HoweverD.MoreoverA.believingB.studyingC.cultivatingD.developingA.aboutB.whenC.howD.whetherA.forB.inC.intoD.overA.whyB.thatC.whenD.howA.everB.evenC.stillD.moreA.putB.getC.handleD.giveA.TheB.AnC.AnotherD.AndA.afraidB.aheadC.awareD.ashamedA.thatB.howC.whyD.whichA.storageB.tend

21、encyC.threatD.obstacleA.intelligentB.characteristicC.psychologicalD.physicalA.chaseB.thrustC.strengthenD.physicalA.intelligenceB.diligenceC.maturityD.performanceA.projectsB.warningsC.proposalsD.decisionA.fullyB.greatlyC.veryD.highlyA.insuringB.goingC.exceedingD.stimulating五、BSection Readi(总题数：4，分数：2

22、0.00)BText 1/BFloods, storms and other natural events kill thousands of people every year. So does extreme heat. Experts say heat may be natures deadliest killer. For example, extreme heat was blamed for killing more than one hundred people in India and Pakistan in two thousand seven. Daytime temper

23、atures rose to more than forty-five degrees Celsius in some areas. On June eleventh, the temperature in one desert town hit fifty-one degrees.Experts say the total heat of a hot day or several days can affect health. Several hot days are considered a heat wave. Experts say heat waves often become da

24、ngerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body.Doctors say people can do many things to protect themselves from the dangers of extreme heat. Stay out of the sun, if possible. Drink lots of cool water. Wear li

25、ght colored clothing made of natural materials. Make sure the clothing is loose, permitting freedom of movement. And learn the danger signs of the medical problems that are linked to heat.The most common health problem linked to hot weather is heat stress. Usually, it is also the least severe. The c

26、auses of heat stress include wearing heavy clothing, physical work or exercise, hot weather or high humidity. Humidity is the amount of water in the air.If several of these conditions are present at the same time, a persons body temperature may rise above safe limits. The person loses large amounts

27、of body water and salt in perspiration. Perspiration is one of the bodys defenses against heat. It is how the body releases water to cool the skin.Most people suffer only muscle pain as a result of heat stress. The pain is a warning that the body is becoming too hot. Doctors say those suffering musc

28、le pain should stop all activity and rest in a cool place. They should also drink cool liquids. Do not return to physical activity for a few hours because more serious conditions could develop.So experts advise drinking more water in hot weather. Doctors say actions other than drinking water can pro

29、tect against the death dangers of heat. Stay out of the sun, if possible. Wear loose, light-weight and light colored clothes. Wear a hat or other head covering when in the sun. Eat fewer hot and heavy foods. If possible, cook foods during cooler times of the day. Also, rest more often. Physical acti

30、vity produces body heat.Experts say these simple steps can prevent the dangerous health problems linked to heat. They will prevent sickness, help you feel better and may one day even save your life.（分数：5.00）(1).Which of the following can NOT kill thousands of people every year?（分数：1.00）A.Floods.B.St

31、orms.C.Extreme heat.D.Lack of water.(2).Which of the following statements is true according to the passage?（分数：1.00）A.The total heat of a hot day or several days can not affect health.B.People can not do any things to protect themselves from the dangers of extreme heat.C.The most common health probl

32、em caused by hot weather is heat stress.D.Humidity is the amount of water in the room.(3).Muscle pain warns that_.（分数：1.00）A.the body is becoming too hotB.the body needs more waterC.the body needs more restD.the body cant work anymore(4).Experts advises to _ in hot weather.（分数：1.00）A.wear dark color

33、ed clothesB.wear moreC.eat more foodD.drink more water(5).Whats the passage mainly about?（分数：1.00）A.Severe heat.B.Health problem.C.Drinking more.D.Sickness.BText 2/BThat experience led Rhett Butler to begin writing a book about rainforests and threats to their existence. But he did not publish the b

34、ook. Instead, in 1999, he used his research for the book to create a web site. The site is M. The name is spelled m-o-n-g-a-b-a-y.Rhett Butler named the site for Nosy Mangabe, an island off Madagascar. His purpose was to inform the public about tropical rainforests. But the subject widened. A former

35、 businessman, he became a respected writer of science and environmental stories.The popularity of M attracted advertisers. Small ads on the site pay for its operations. Mongabay has grown and led to other sites. For example, there is a site for children, . Another one, WildMadagascar.org, is all abo

36、ut the island nation that Rhett Butler calls his favorite place.He travels the world on several major trips each year. His working tools are a laptop computer, cameras and sometimes diving equipment.He often calls on experts for information for stories. For example, he interviewed Alison Jolly, a to

37、p expert on ring-tailed lemurs. And last week he wrote about another animal, the rare snow leopard. He interviewed Rodney Jackson, a biologist who established the Snow Leopard Conservancy.Stories like these have made Mongabay a favorite place on the Internet for researchers, students and teachers. I

38、n April, T named it one of the fifteen top climate and environment web sites.Rhett Butler says he is concerned about how the current economic crisis in the world might affect environmental conservation efforts. For example, he says the falling price of oil could reduce interest in developing solar p

39、ower. But he also points to a recent United Nations report on “green jobs“. The report said efforts to fight climate change might lead to millions of jobs in biofuels by two thousand thirty.（分数：5.00）(1).What did Rhett Butler do in 1999?（分数：1.00）A.He published his book.B.He stopped his research.C.He

40、set up a wet site.D.He went to the rainforests.(2).What cant be inferred from the third paragraph?（分数：1.00）A.M attracted small ads.B.The popularity of M has improved.C.WildMadagascar.org is about the island nation.D.Rhett Butlers favorite is the Internet.(3).“Biologist“ means_.（分数：1.00）A.an expert o

41、n animalsB.a person on plantsC.an expert on earthD.an expert on health(4).Whats M mainly about?（分数：1.00）A.Animals.B.Plants.C.Earth.D.Climate and environment.(5).What may be the possible victim of the current economic crisis?（分数：1.00）A.Animals life.B.Environmental conservation.C.Peoples awareness of

42、environmental protection.D.Biofuel.BText 3/BI am afraid to sleep. I have been afraid to sleep for the last few weeks. I am so tired that, finally, I do sleep, but only for a few minutes. It is not a bad dream that wakes me; it is the reality I took with me into sleep. I try to think of something els

43、e.Immediately the woman in the marketplace comes into my mind. I was on my way to dinner last night when I saw her. She was selling skirts. She moved with the same ease and loveliness I often saw in the women of Laos. Her long black hair was as shiny as the black silk of the skirts she was selling.

44、In her hair, she wore three silk ribbons, blue, green, and white. They reminded me of my childhood and how my girlfriends and I used to spend hours braiding ribbons into our hair.I dont know the word for “ribbons“, so I put my hand to my own hair and, with three fingers against my head, I looked at

45、her ribbons and said “Beautiful“. She lowered her eyes and said nothing. I wasnt sure if she understood me (I dont speak Laotian very well).I looked back down at the skirts. They had designs in them: squares and triangles and circles of pink and green silk. They were very pretty. I decided to buy on

46、e of those skirts, and I began to bargain with her over the price. It is the custom to bargain in Asia. In Laos bargaining is done in soft voices and easy moves with the sort of quiet peacefulness.She smiled, more with her eyes than with her lips. She was pleased by the few words I was able to say i

47、n her language, although they were mostly numbers, and she saw that I understood something about the soft playfulness of bargaining. We shook our heads in disagreement over the price; then, immediately, we made another offer and then another shake of the head. She was so pleased that unexpectedly, s

48、he accepted the last offer I made. But it was too soon. The price was too low. She was being too generous and wouldnt make enough money. I moved quickly and picked up two more skirts and paid for all three at the price set; that way I was able to pay her three times as much before she had a chance to lower the price for the